package com.example.mylog.util;

import org.springframework.stereotype.Component;

import java.util.Calendar;
import java.util.Date;

 public class  DateUtil {
        // 2-10 15:07:33
        // 2-10 00:00:00
        /**
         * 返回当天最早的事件 00:00:00
         *
         * @param date
         * @return
         */
        public static Date getBeginDate(Date date) {
            Calendar c = Calendar.getInstance();
            c.setTime(date);
            c.set(Calendar.HOUR_OF_DAY, 0);
            c.set(Calendar.MINUTE, 0);
            c.set(Calendar.SECOND, 0);
            return c.getTime();
        }

        /**
         * 返回当前最晚的事件 23:59:59
         *
         * @param date
         * @return
         */
        public static Date getEndDate(Date date) {
            if (date != null) {
                Calendar c = Calendar.getInstance();
                c.setTime(date);
                c.set(Calendar.HOUR_OF_DAY, 23);
                c.set(Calendar.MINUTE, 59);
                c.set(Calendar.SECOND, 59);
                return c.getTime();
            }
            return null;
        }

        /**
         * 获取两个时间间隔秒数
         */
        public static long getSecondsBetween(Date d1, Date d2) {
            return Math.abs((d1.getTime() - d2.getTime()) / 1000);
        }


}
